Two-hadron interference fragmentation functions. Part I: general framework
A. Bianconi, S. Boffi, R. Jakob, and M. Radici
TL;DR
This paper develops a theoretical framework to analyze interference fragmentation functions in two-hadron production within jets, focusing on their azimuthal angular dependences in lepton-nucleon scattering.
Contribution
It introduces a general theoretical framework for understanding and measuring interference fragmentation functions in two-hadron production processes.
Findings
Identifies azimuthal angular dependences in two-hadron production
Demonstrates how interference fragmentation functions can be isolated
Provides a basis for experimental extraction of these functions
Abstract
We investigate the properties of interference fragmentation functions measurable from the distribution of two hadrons produced in the same jet in the current fragmentation region of a hard process. We discuss the azimuthal angular dependences in the leading order cross section of two-hadron inclusive lepton-nucleon scattering as an example how these interference fragmentation functions can be addressed separately.
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